CN106705035A - Coal powder combustion method and device of upper combustion chamber of sleeve kiln - Google Patents
Coal powder combustion method and device of upper combustion chamber of sleeve kiln Download PDFInfo
- Publication number
- CN106705035A CN106705035A CN201710027522.4A CN201710027522A CN106705035A CN 106705035 A CN106705035 A CN 106705035A CN 201710027522 A CN201710027522 A CN 201710027522A CN 106705035 A CN106705035 A CN 106705035A
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- burner
- coal
- sleeve kiln
- coal powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a coal powder combustion method and device of an upper combustion chamber of a sleeve kiln. The coal powder combustion method and device are characterized in that a nozzle coal powder injection pipeline and a nozzle combustion supporting air channel are arranged on a combustion chamber panel; the outlet end of the nozzle coal powder injection pipeline extends into the tail end of an upper combustion chamber, so that coal powder enters the sleeve kiln through the nozzle coal powder injection pipeline; combustion supporting air enters the sleeve kiln through the nozzle combustion supporting air channel to complement combustion supporting air; the combustion support of the coal powder is realized by the combustion supporting air; and the coal powder is combusted at the tail end of the upper combustion chamber. According to the coal powder combustion method and device, disclosed by the invention, the nozzle coal powder injection pipeline extends into the tail end of the combustion chamber, so that when the coal powder is combusted, whole flame does not exist in the combustion chamber; ash residues generated when the coal powder is combusted, enter a material layer of the sleeve kiln, move downwards along with materials and are discharged out of the kiln, so that slags cannot be generated in the combustion chamber, the problem that the slags are generated on inner walls of the upper combustion chamber of the sleeve kiln is solved, the workload for removing slags during sleeve kiln production is greatly reduced, and the continuous and stable operation of production is guaranteed.
Description
Technical field
The present invention relates to a kind of sleeve kiln technical field of fuel combustion, more particularly to a kind of sleeve kiln upper combustion chamber coal dust combustion
Firing method and device.
Background technology
Use scope with domestic Gas Resource gradually increases, and sleeve kiln is gradually risen using the cost of Gas Production,
And the cost will be made as replacing fuel larger reduction using coal dust, therefore coal powder injection sleeve kiln gradually rises.But given birth to using coal dust
During product, combustion chamber clogging problems influence being normally carried out for production all the time, particularly upper combustion chamber, because its inner space in itself compared with
It is small, it is difficult to clear up if slagging scorification, continuous normal production can be produced a very large impact.
The content of the invention
Goal of the invention：It is an object of the invention to provide a kind of sleeve kiln upper combustion chamber coal dust combustion method and device, solve
Sleeve kiln upper combustion chamber clogging problems.
To achieve these goals, present invention employs following technical scheme：A kind of coal dust combustion of sleeve kiln upper combustion chamber
Firing method, the method is used for the coal dust firing of upper combustion chamber when sleeve kiln uses coal dust as fuel, the front end of the upper combustion chamber
Combustion chamber panel is provided with, upper combustion chamber end connects with sleeve kiln bedding, and the method includes：Burner is set on the panel of combustion chamber
Coal spraying pipeline and burner combustion air passage, upper combustion chamber end is extended by the burner coal spraying pipeline port of export, and coal dust is sprayed by burner
Coal pipeline enters in sleeve kiln, and combustion air enters supplement combustion air in sleeve kiln by burner combustion air passage, and coal dust passes through
Combustion air is combustion-supporting, is burnt in upper combustion chamber end.
Further, the burner coal spraying pipeline can carry out position tune along upper combustion chamber's centerline direction is movable
It is whole.
A kind of sleeve kiln upper combustion chamber coal powder burner, when the device uses coal dust as fuel for sleeve kiln on fire
The coal dust firing of room is burnt, the front end of the upper combustion chamber is provided with combustion chamber panel, and upper combustion chamber end connects with sleeve kiln bedding, should
Device includes：The burner coal spraying pipeline and burner combustion air passage being arranged on the panel of combustion chamber, the burner coal spraying pipeline port of export
Extend upper combustion chamber end.
Further, the combustion chamber panel is provided with the circular hole passage parallel to upper combustion chamber's center line, burner coal powder injection
Pipeline passes through circular hole passage, burner combustion air passage to be located at the combustion chamber outside position corresponding with circular hole passage, and burner is combustion-supporting
Wind passage is enclosed within burner coal spraying pipeline outside and one end is fixed with combustion chamber panel, and the burner combustion air passage other end is provided with can
So that the adjusting apparatus that burner coal spraying pipeline is moved forward and backward along upper combustion chamber's centerline direction.
Further, the adjusting apparatus include buckle, end cap, clamp nut, sealing ring, compression end cap and flange, method
Orchid is welded and fixed with combustion air channel end, snaps through and is bolted on flange, and end cap, compression end cap are enclosed within burner spray
On coal pipeline, pulverized coal channel is gap cooperation with end cap, compression end cap, and end cap coordinates with end face of flange, by being arranged on card
With flange be brought into close contact end cap by the clamp nut buckled, and sealing ring is arranged between end cap and burner coal spraying pipeline, coal pipe
Road is interference fit with sealing ring, compresses end cap and is bolted on end cap and compresses sealing ring.
Further, the burner coal spraying pipeline sets gas cyclone piece near the position of the port of export.
Further, the end face of the burner coal spraying pipeline port of export is inclined-plane, and towards sleeve kiln bedding.
Further, the burner coal spraying pipeline and burner combustion air passage are equipped with regulating valve.
Beneficial effect：Burner coal spraying pipeline is extend into burner ends by the present invention, and whole flame is not during coal dust firing
Inside upper combustion chamber, the lime-ash produced during coal dust firing enters sleeve kiln bedding, is moved down with material and is discharged to outside kiln, therefore
Combustion chamber does not have slagging scorification, it is to avoid the generation of sleeve kiln upper combustion chamber inwall clogging problems, and this greatly alleviates sleeve
Scarfing cinder workload when kiln is produced, it is ensured that the continual and steady operation of production.
Brief description of the drawings
Fig. 1 is upper combustion chamber's coal powder burner structural representation of the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the structural representation of adjusting apparatus；
Fig. 4 is enlarged drawing at B in Fig. 1.
In figure：1- gas cyclones piece, 2- burners coal spraying pipeline, 3- upper combustion chamber panel, 4- burner combustion airs passage, 5- are adjusted
Engagement positions, 5-1- buckles, 5-2- end caps, 5-3- clamp nuts, 5-4- sealing rings, 5-5- compresses end cap, and 5-6- flanges fire on 6-
Burn room, 7- sleeve kiln beddings, 8- circular hole passages.
Specific embodiment：
The present invention is done below in conjunction with the accompanying drawings further is explained.
As shown in figure 1, sleeve kiln upper combustion chamber of the invention coal dust combustion method, the method uses coal dust for sleeve kiln
The coal dust firing of upper combustion chamber 6 during as fuel, the front end of the upper combustion chamber 6 is provided with combustion chamber panel 3, the end of upper combustion chamber 6
Connected with sleeve kiln bedding 7, the method includes：Burner coal spraying pipeline 2 is set on combustion chamber panel 3, and burner coal spraying pipeline 2 connects
Burner combustion air passage 4 is connect, the port of export of burner coal spraying pipeline 2 is extended into the end of upper combustion chamber 6, and the burner coal spraying pipeline
2 can carry out position adjustment along upper combustion chamber's centerline direction is movable, and coal dust enters sleeve kiln by burner coal spraying pipeline 2
Interior, combustion air enters supplement combustion air in sleeve kiln by burner combustion air passage 4, burner coal spraying pipeline 2, and coal dust is by helping
Combustion wind is combustion-supporting, is burnt in the end of upper combustion chamber 6.
As shown in figure 1, sleeve kiln upper combustion chamber of the invention coal powder burner, the device uses coal dust for sleeve kiln
The coal dust firing of upper combustion chamber 6 during as fuel, the front end of the upper combustion chamber 6 is provided with combustion chamber panel 3, the end of upper combustion chamber 6
Connected with sleeve kiln bedding 7, the device includes：The burner coal spraying pipeline 2 and burner combustion air being arranged on combustion chamber panel 3 lead to
Road 4, the port of export of burner coal spraying pipeline 2 extends the end of upper combustion chamber 6.
As illustrated in fig. 1 and 2, the combustion chamber panel 3 is provided with the circular hole passage 8 parallel to the center line of upper combustion chamber 6, burns
Mouth coal spraying pipeline 2 passes through circular hole passage 8, burner combustion air passage 4 to be located at the outside of combustion chamber 6 position corresponding with circular hole passage 8
Put, burner combustion air passage 4 is enclosed within the outside of burner coal spraying pipeline 2 and one end is fixed with combustion chamber panel 3, and burner combustion air leads to
The other end of road 4 is provided with the adjusting apparatus 5 that burner coal spraying pipeline 2 can be made to be moved forward and backward along upper combustion chamber's centerline direction.
As shown in figure 3, the adjusting apparatus 5 include buckle 5-1, end cap 5-2, clamp nut 5-3, sealing ring 5-4, compression
End cap 5-5, flange 5-6.Flange 5-6 is welded and fixed with the end of combustion air passage 4, and buckle 5-1 is bolted in flange 5-6
On, end cap 5-2, compression end cap 5-5 are enclosed within burner coal spraying pipeline 2, and 5-5 is equal with end cap 5-2, compression end cap for pulverized coal channel 2
It is that gap coordinates, end cap 5-2 and flange 5-6 end faces coordinate, by the clamp nut 5-3 that is arranged on buckle 5-1 by end cap 5-2
It is brought into close contact with flange 5-6, sealing ring 5-4 is arranged between end cap 5-2 and burner coal spraying pipeline 2, pulverized coal channel 2 and sealing ring
5-4 is interference fit, compresses end cap 5-5 and is bolted on end cap 5-2 and compresses sealing ring 5-4.When need adjust coal
During powder pipeline 2, can will compress end cap 5-5 pull down, unclamp sealing ring 5-4, by pulverized coal channel 2 along upper combustion chamber's centerline direction before
After move, after positioning, sealing ring 5-4 is adjusted in place, again install compress end cap 5-5, realize that the front and rear of pulverized coal channel 2 can
Adjust.
As shown in figure 4, the burner coal spraying pipeline 2 sets gas cyclone piece 1 near the position of the port of export, swirl vane makes
Coal dust and mixture of gas streams in coal spraying pipeline 2 is in contorted penetrating kiln, and flame tissue is more uniform.And the burner spray
The end face of the port of export of coal pipeline 2 is inclined-plane, and towards sleeve kiln bedding 7.The exit end face of burner coal spraying pipeline 2 towards obliquely downward,
Heat can be made to concentrate on the middle and lower part of swirl flame, reduce the heat above the outlet of coal spraying pipeline 2, play protection coal spraying pipeline 2
The effect of the resistance to material in outlet top.
In addition, the burner coal spraying pipeline 2 and burner combustion air passage 4 are equipped with regulating valve, it is easy to adjust coal dust and resistance
Combustion air addition.
During coal dust firing, burner combustion air is blasted by the space between burner combustion air passage 4 and burner coal spraying pipeline 2
In upper combustion chamber 6, it is full of by combustion air in whole upper combustion chamber 6, when the coal that combustion air and the port of export of burner coal spraying pipeline 2 spray
When powder is contacted, the combustion process of combustion-supporting coal dust.Not inside upper combustion chamber, the lime-ash that powder is produced when burning enters whole flame
Sleeve kiln bedding, moves down with material and is discharged to outside kiln, therefore slagging scorification is not had inside upper combustion chamber, it is to avoid fired on sleeve kiln
The generation of chamber interior walls clogging problems is burnt, this greatly alleviates scarfing cinder workload when sleeve kiln is produced, it is ensured that production continues
Stable operation.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of sleeve kiln upper combustion chamber coal dust combustion method, when the method uses coal dust as fuel for sleeve kiln on burn
The coal dust firing of room (6), the front end of the upper combustion chamber (6) is provided with combustion chamber panel (3), upper combustion chamber (6) end and sleeve kiln
The bed of material (7) is connected, it is characterized in that, the method includes：Burner coal spraying pipeline (2) is set on combustion chamber panel (3) and burner is helped
Combustion wind passage (4), upper combustion chamber (6) end is extended by burner coal spraying pipeline (2) port of export, and coal dust passes through burner coal spraying pipeline
(2) enter in sleeve kiln, combustion air enters supplement combustion air in sleeve kiln by burner combustion air passage (4), coal dust passes through
Combustion air is combustion-supporting, is burnt in upper combustion chamber (6) end.
2. a kind of sleeve kiln upper combustion chamber coal dust combustion method according to claim 1, it is characterized in that：The burner coal powder injection
Pipeline (2) can carry out position adjustment along upper combustion chamber's centerline direction is movable.
3. a kind of sleeve kiln upper combustion chamber coal powder burner, when the device uses coal dust as fuel for sleeve kiln on burn
The coal dust firing of room (6), the front end of the upper combustion chamber (6) is provided with combustion chamber panel (3), upper combustion chamber (6) end and sleeve kiln
The bed of material (7) is connected, it is characterized in that, the device includes：It is arranged on burner coal spraying pipeline (2) and burner on combustion chamber panel (3)
Combustion air passage (4), burner coal spraying pipeline (2) port of export extends upper combustion chamber (6) end.
4. a kind of sleeve kiln upper combustion chamber coal powder burner according to claim 3, it is characterized in that：The combustion chamber face
Plate (3) is provided with the circular hole passage (8) parallel to upper combustion chamber (6) center line, and burner coal spraying pipeline (2) is through circular hole passage
(8), positioned at combustion chamber (6) outside position corresponding with circular hole passage (8), burner combustion air leads to burner combustion air passage (4)
Road (4) is enclosed within burner coal spraying pipeline (2) outside and one end is fixed with combustion chamber panel (3), and burner combustion air passage (4) is another
End is provided with the adjusting apparatus (5) that burner coal spraying pipeline (2) can be made to be moved forward and backward along upper combustion chamber's centerline direction.
5. a kind of sleeve kiln upper combustion chamber coal powder burner according to claim 4, it is characterized in that：The adjusting apparatus
(5) including buckle (5-1), end cap (5-2), clamp nut (5-3), sealing ring (5-4), compression end cap (5-5) and flange (5-
6), flange (5-6) is welded and fixed with combustion air passage (4) end, and buckle (5-1) is bolted on flange (5-6), end
Lid (5-2), compress end cap (5-5) and be enclosed within burner coal spraying pipeline (2), pulverized coal channel (2) and end cap (5-2), compress end cap
(5-5) is gap cooperation, and end cap (5-2) coordinates with flange (5-6) end face, by the compression spiral shell being arranged on buckle (5-1)
With flange (5-6) be brought into close contact end cap (5-2) by female (5-3), and sealing ring (5-4) is arranged on end cap (5-2) and burner coal injection pipe
Between road (2), pulverized coal channel (2) is interference fit with sealing ring (5-4), compresses end cap (5-5) and is bolted in end cap
On (5-2) and compress sealing ring (5-4).
6. a kind of sleeve kiln upper combustion chamber coal powder burner according to claim 5, it is characterized in that：The burner coal powder injection
Pipeline (2) sets gas cyclone piece (1) near the position of the port of export.
7. a kind of sleeve kiln upper combustion chamber coal powder burner according to claim 6, it is characterized in that：The burner coal powder injection
The end face of pipeline (2) port of export is inclined-plane, and towards sleeve kiln bedding (7).
8. a kind of sleeve kiln upper combustion chamber coal powder burner according to claim 7, it is characterized in that：The burner coal powder injection
Pipeline (2) and burner combustion air passage (4) are equipped with regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710027522.4A CN106705035B (en) | 2017-01-16 | 2017-01-16 | A kind of sleeve kiln upper combustion chamber coal dust combustion method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710027522.4A CN106705035B (en) | 2017-01-16 | 2017-01-16 | A kind of sleeve kiln upper combustion chamber coal dust combustion method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106705035A true CN106705035A (en) | 2017-05-24 |
| CN106705035B CN106705035B (en) | 2019-07-12 |
Family
ID=58907513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710027522.4A Active CN106705035B (en) | 2017-01-16 | 2017-01-16 | A kind of sleeve kiln upper combustion chamber coal dust combustion method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106705035B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160131A (en) * | 1996-11-26 | 1998-06-19 | Mitsubishi Materials Corp | Rotary kiln burner |
| CN201706487U (en) * | 2010-05-22 | 2011-01-12 | 襄樊大力机电技术有限公司 | Anthracite powdered coal burner for a rotary kiln |
| CN103011629A (en) * | 2012-12-11 | 2013-04-03 | 江苏中圣园科技股份有限公司 | Method for burning powdered coal in annular sleeve kiln |
| CN203947034U (en) * | 2014-06-15 | 2014-11-19 | 石家庄新华能源环保科技股份有限公司 | A kind of sleeve kiln gas-solid fuel nozzle |
| CN105983926A (en) * | 2015-02-13 | 2016-10-05 | 大连光洋科技集团有限公司 | Unpowered adjustable type connecting rod clamping device |
| CN106277856A (en) * | 2016-08-17 | 2017-01-04 | 大峘集团有限公司 | Coal-fired Calx sleeve kiln combusting room device and Slagoff method thereof |
| CN206398708U (en) * | 2017-01-16 | 2017-08-11 | 大峘集团有限公司 | A kind of sleeve kiln upper combustion chamber coal powder burner |
-
2017
- 2017-01-16 CN CN201710027522.4A patent/CN106705035B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160131A (en) * | 1996-11-26 | 1998-06-19 | Mitsubishi Materials Corp | Rotary kiln burner |
| CN201706487U (en) * | 2010-05-22 | 2011-01-12 | 襄樊大力机电技术有限公司 | Anthracite powdered coal burner for a rotary kiln |
| CN103011629A (en) * | 2012-12-11 | 2013-04-03 | 江苏中圣园科技股份有限公司 | Method for burning powdered coal in annular sleeve kiln |
| CN203947034U (en) * | 2014-06-15 | 2014-11-19 | 石家庄新华能源环保科技股份有限公司 | A kind of sleeve kiln gas-solid fuel nozzle |
| CN105983926A (en) * | 2015-02-13 | 2016-10-05 | 大连光洋科技集团有限公司 | Unpowered adjustable type connecting rod clamping device |
| CN106277856A (en) * | 2016-08-17 | 2017-01-04 | 大峘集团有限公司 | Coal-fired Calx sleeve kiln combusting room device and Slagoff method thereof |
| CN206398708U (en) * | 2017-01-16 | 2017-08-11 | 大峘集团有限公司 | A kind of sleeve kiln upper combustion chamber coal powder burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106705035B (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2009009945A1 (en) | Low nox swirling pulverized coal burner | |
| CN202040815U (en) | Natural gas combustion-supporting industrial pulverized coal cyclone combustor | |
| CN102042614A (en) | Natural gas ignition system for coal burning boiler in generating plant | |
| CN101280920B (en) | Fluidization-suspension combined combustion boiler | |
| CN110107898A (en) | A kind of coke-stove gas low NO | |
| CN105444160A (en) | Circulating fluidized bed fine ash burning apparatus | |
| CN207762914U (en) | A kind of fluid bed solids trash burner | |
| CN202379960U (en) | Preheating device for refractory liner of hot wall type coal water slurry or powered coal gasification furnace | |
| CN206398708U (en) | A kind of sleeve kiln upper combustion chamber coal powder burner | |
| CN101718432B (en) | Swirl injection type pulverized fuel burner | |
| CN109694752B (en) | Powder return method of fluidized bed and fluidized bed gasification furnace based on method | |
| CN106705035A (en) | Coal powder combustion method and device of upper combustion chamber of sleeve kiln | |
| CN102116480A (en) | Industrial pulverized coal swirl combustion system using natural gas for supporting combustion | |
| CN209816044U (en) | Fluidized bed gasification furnace | |
| CN107013915B (en) | Little oil ignition combustor suitable for power station boiler | |
| CN104152184B (en) | Biomass whirlwind pyrolysis-suspension combustion combined gasification equipment and gasification process thereof | |
| CN105509052A (en) | Novel burner with arc-shaped body jetting device | |
| CN201954547U (en) | Gas burner with high pressure head | |
| CN107036075B9 (en) | Continuously-running biomass briquette gasification burner | |
| CN213395411U (en) | Plasma gasification ignition device of coal-fired boiler | |
| CN102559274A (en) | Hot-wall type coal water slurry or pulverized coal gasification furnace fire-resistant lining preheating device and method thereof | |
| CN202350024U (en) | Pulverized coal burner for W flame boiler | |
| CN209263050U (en) | A kind of ignition of sintering process device that recyclable exhaust gas is mixed and burned | |
| CN202521589U (en) | Horizontally-blown heat energy generator for solid fuels | |
| CN207365059U (en) | A kind of environment-protecting energy-saving type briquette fine coal air burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |